CF3COOH/O2-Mediated Metal-Free Domino Construction of the Isatin Skeleton

Synlett ◽  
2019 ◽  
Vol 30 (15) ◽  
pp. 1799-1804 ◽  
Author(s):  
Jiadi Zhou ◽  
Yongjian Chen ◽  
Fang Wang ◽  
Qiwei Zhang ◽  
Jianjun Li
Keyword(s):  
Reaction Mechanisms ◽  
Aerobic Oxidation ◽  
Metal Catalysts ◽  
Metal Free ◽  
Efficient Construction

Directed by the strategy of C–H activation, an efficient construction of the isatin skeleton was developed through aerobic oxidation of glycine esters. The reactions were performed under CF3COOH/O2 conditions in the absence of metal catalysts. The reaction mechanisms were investigated with control experiments.

Metal-free visible-light-induced aerobic oxidation of α-diazoesters leading to α-ketoesters in air

2021 ◽  
Author(s):  
Ruisheng Liu ◽  
Qishun Liu ◽  
Haoran Meng ◽  
Hongyu Ding ◽  
Jindong Hao ◽  
...  
Keyword(s):  
Visible Light ◽  
Room Temperature ◽  
Aerobic Oxidation ◽  
Metal Free

A metal-free and visible-light-induced strategy has been established for the construction of α-ketoesters via aerobic oxidation of α-diazoesters with dioxygen in air at room temperature.

C-H bond functionalization using Pd and Au supported catalysts with mechanistic insights of the active species

Synthesis ◽  
2021 ◽  
Author(s):  
Tamao Ishida ◽  
Zhenzhong Zhang ◽  
Haruno Murayama ◽  
Eiji Yamamoto ◽  
Makoto Tokunaga
Keyword(s):  
Aromatic Compounds ◽  
Reaction Mechanisms ◽  
Bond Activation ◽  
Supported Catalysts ◽  
Metal Catalysts ◽  
Active Species ◽  
Supported Metal Catalysts ◽  
Bond Functionalization ◽  
Bond Forming ◽  
Supported Metal

The C–H functionalization has been extensively studied as a direct C–C bond forming reaction with high atomic efficiency. The efforts have also been made on the reaction using supported catalysts, which are superior in terms of catalyst separation from the reaction mixture and reusability. In this review, an overview of the C–H functionalization reactions, especially for Pd and Au supported catalysts will be described. In particular, we discuss reaction mechanisms, active species, leaching, reusability, etc. 1 Introduction 2 Types of supported metal catalysts and their active species 3 Modes of C–H bond activation 4 Oxidative C–H C–H coupling of aryl compounds 5 C–H C–H coupling where one side is aromatic 6 C–H acylation of aromatic compounds and related reactions 7 Conclusion

Bifunctional metal-free photo-organocatalysts for enantioselective aerobic oxidation of β-dicarbonyl compounds

Tetrahedron ◽  
2018 ◽  
Vol 74 (27) ◽  
pp. 3624-3633 ◽  
Author(s):  
Xiao-fei Tang ◽  
Shi-hao Feng ◽  
Ya-kun Wang ◽  
Fan Yang ◽  
Ze-hao Zheng ◽  
...  
Keyword(s):  
Aerobic Oxidation ◽  
Dicarbonyl Compounds ◽  
Metal Free

Combining Flavin Photocatalysis and Organocatalysis: Metal-Free Aerobic Oxidation of Unactivated Benzylic Substrates

2018 ◽  
Vol 21 (1) ◽  
pp. 114-119 ◽  
Author(s):  
Jan Zelenka ◽  
Eva Svobodová ◽  
Ján Tarábek ◽  
Irena Hoskovcová ◽  
Veronika Boguschová ◽  
...  
Keyword(s):  
Aerobic Oxidation ◽  
Metal Free

Base-promoted aerobic oxidative synthesis of fused 1,3,5-triazines under metal-free conditions

2020 ◽  
Vol 22 (20) ◽  
pp. 6778-6782
Author(s):  
Jinjin Chen ◽  
Zhaozhao Sun ◽  
Fuhong Xiao ◽  
Guo-Jun Deng
Keyword(s):  
Aerobic Oxidation ◽  
Aromatic Aldehydes ◽  
Ammonium Iodide ◽  
Metal Free

An efficient base-promoted aerobic oxidation procedure for the synthesis of fused 1,3,5-triazines from 2-aminobenzimidazoles, aromatic aldehydes, and ammonium iodide under metal-free conditions has been developed.

Sign in / Sign up

Export Citation Format

Share Document